Chilled dessert (5,6)
'chilled dessert' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for mousse that I've seen before include "Shock treatment" , "Capital preparation" , "Frothy, creamy dessert" , "Creamy dish" , "A hair dressing; a creamy sweet" .)
(Other definitions for baked alaska that I've seen before include "pudding" , "Cake and ice cream dessert" , "Ice cream and meringue dish" , "Ice cream sponge and meringue dessert" , "Ice-cream and meringue dessert" .)
'chilled dessert' is the definition.
(I've seen this in another clue)
This is the entire clue.